Timing Belt and Components

2025 Chevrolet Trailblazer ACTIV, 4WDSECTION Timing Belt and Components
WARNING: This page is about a different variant/trim than selected.
Fig 1: Exploded View Of Timing Belt And Components
GM5390075Courtesy of GENERAL MOTORS COMPANY
Callout Component Name
1 Camshaft Sprocket Bolt [2x]
2 Camshaft Sprocket [2x]
3 Timing Belt
4 Timing Belt Tensioner
5 Balancer Shaft
6 Oil Pump
7 Oil Pump Belt
8 Crankshaft Front Seal
9 Crankshaft Sprocket
10 Timing Belt Idler Pulley
11 Timing Belt Tensioner Bolt
12 Timing Belt Idler Pulley Bolt
13 Engine Front Cover Bolt [10x]
14 Timing Belt Lower Front Cover
RENDER: 1.0x

NO RELATED

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When to See a Mechanic

Stop DIY work and contact a certified mechanic immediately if any of the following apply:

  • You smell fuel, burning insulation, or see smoke.
  • Brakes feel soft, pull hard to one side, or make grinding noises.
  • The engine overheats, stalls repeatedly, or misfires under load.
  • You are missing required tools, torque specs, or safe lifting equipment.
  • You are not confident in the next step or safety outcome.